Chemical Name: 1-[Bis(p-fluorophenyl)methyl]piperazine; 1-(Di-p-fluorobenzhydryl)piperazine; 1-[Bis(4-fluorophenyl)methyl]piperazine; 4-[Bis(4-fluorophenyl)methyl]piperazine; N-(4,4'-Difluorobenzhydryl)piperazine; N-(Bis(4-fluorophenyl)methyl)piperazine